Home / 54,327.11-74,974.34-30,458.73

Finding the Fourth Proportional to 54,327.11, 74,974.34 and 30,458.73

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Solution

The fourth proportional to 54,327.11, 74,974.34 and 30,458.73 is: 42,034.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,327.11 : 74,974.34 = 30,458.73 : x
  2. Step 2: Convert to fraction form
    54,327.11/74,974.34 = 30,458.73/x
  3. Step 3: Cross multiply
    54,327.11x = 74,974.34 × 30,458.73
  4. Step 4: Simplify right side
    54,327.11x = 2,283,623,536.29
  5. Step 5: Solve for x
    x = 2,283,623,536.29/54,327.11
  6. Step 6: Final answer
    x = 42,034.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.